From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH] drm/i915: disable RC6+ on Sandy Bridge Date: Wed, 06 Apr 2011 19:46:49 +0100 Message-ID: <849307$cbn4qt@azsmga001.ch.intel.com> References: <1302106030-10268-1-git-send-email-jbarnes@virtuousgeek.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id C1B309E7B8 for ; Wed, 6 Apr 2011 11:46:52 -0700 (PDT) In-Reply-To: <1302106030-10268-1-git-send-email-jbarnes@virtuousgeek.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Jesse Barnes , intel-gfx@lists.freedesktop.org Cc: stable@kernel.org List-Id: intel-gfx@lists.freedesktop.org On Wed, 6 Apr 2011 09:07:10 -0700, Jesse Barnes wrote: > RC6+ can cause trouble, so keep it disabled (this costs us a little > power, around 20mW I think, but better safe than sorry). Any clues as to the failure mode? -Chris -- Chris Wilson, Intel Open Source Technology Centre